<template>
  <!-- 新增部门的弹层 -->
  <el-dialog title="新增部门" :visible="isShowDialog" :destroy-on-close="true" @close="btnCancel">
    <!-- 表单组件  el-form   label-width设置label的宽度   -->
    <!-- 匿名插槽 -->
    <el-form ref="addFrom" label-width="120px" :model="formData" :rules="rules">
      <el-form-item label="部门名称" prop="name">
        <el-input v-model="formData.name" style="width:80%" placeholder="1-50个字符" />
      </el-form-item>
      <el-form-item label="部门编码" prop="code">
        <el-input v-model="formData.code" style="width:80%" placeholder="1-50个字符" />
      </el-form-item>
      <el-form-item label="部门负责人" prop="manager">
        <el-select v-model="formData.manager" style="width:80%" placeholder="请选择" @blur="checkManager">
          <el-option
            v-for="user in employeeList"
            :key="user.id"
            :value="user.username"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="部门介绍" prop="introduce">
        <el-input v-model="formData.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
      </el-form-item>
    </el-form>
    <!-- el-dialog有专门放置底部操作栏的 插槽  具名插槽 -->
    <el-row slot="footer" type="flex" justify="center">
      <!-- 列被分为24 -->
      <el-col :span="6">
        <el-button type="primary" size="small" @click="btnOk">确定</el-button>
        <el-button size="small" @click="btnCancel">取消</el-button>
      </el-col>
    </el-row>
  </el-dialog>
</template>
<script>
import { addDepartment, getDepartDetail, getDepartment } from '@/api/department'
import { getEmployee } from '@/api/employee'
export default {
  props: {
    isShowDialog: {
      type: Boolean,
      default: false
    },
    treeNode: {
      type: Object,
      required: true
    }
  },
  data() {
    const checkRepeatName = async(rule, val, callback) => {
      const { depts } = await getDepartment()
      const isRepeat = depts.filter(item => item.pid === this.treeNode.id).some(item => item.name === val)
      if (isRepeat) {
        callback(new Error('同一父级部门名字必须唯一'))
      } else {
        callback()
      }
    }
    const checkRepeatCode = async(rule, val, callback) => {
      const { depts } = await getDepartment()
      // console.log(depts)
      const isRepeat = depts.some(item => {
        return item.code === val
      })
      console.log(isRepeat)
      isRepeat ? callback(new Error('编码必须唯一')) : callback()
    }
    return {
      formData: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '', // 部门介绍
        pid: ''
      },

      rules: {
        name: [{ required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门名称要求1-50个字符', trigger: 'blur' },
          { validator: checkRepeatName, trigger: 'blur' }
        ],
        code: [{ required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门编码要求1-50个字符', trigger: 'blur' },
          { validator: checkRepeatCode, trigger: 'blur' }],
        manager: [{ required: true, message: '部门负责人不能为空', trigger: 'blur' }],
        introduce: [{ required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { trigger: 'blur', min: 1, max: 300, message: '部门介绍要求1-50个字符' }]
      },
      employeeList: []
    }
  },
  async created() {
    this.employeeList = await getEmployee()
    // console.log(this.employeeList)
  },
  methods: {
    checkManager() {
      setTimeout(() => {
        this.$refs.addFrom.validateField('manager')
      }, 200)
    },
    async btnOk() {
      await this.$refs.addFrom.validate()
      await addDepartment({ ...this.formData,
        pid: this.treeNode.id })
      this.$message.success('操作成功')
      this.$emit('update:isShowDialog', false)
      this.$emit('closeDepartment')
    },
    btnCancel() {
      this.$refs.addFrom.resetFields(this.formData)
      this.$emit('update:isShowDialog', false)
    },
    async getDepartment(id) {
      this.formData = await getDepartDetail(id)
    }
  }
}
</script>

<style>

</style>
